public class middleCar extends Car implements Buletooth {
    public middleCar(double speed, String model)
    {
        super(speed, model);
    }
    @Override
    public void turnBuletoothon()
    {
        System.out.println("蓝牙已经打开");
    }

    @Override
    public void turnBuletoothoff()
    {
        System.out.println("蓝牙已经关闭");
    }


}
